The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 16, 2015
Filed:
Sep. 24, 2014
Kyocera Document Solutions Inc., Osaka, JP;
Tatsuya Kobayashi, Osaka, JP;
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
A design method of a drive unit includes: deriving a minimum reference contact pressure Fa causing any of the shaft portion among the plurality of the shaft portions to result in damage; and designing the shaft portions or the gears to be of form such that the plurality of shaft portions and the plurality of gears satisfy the relationship F/D×L<Fa, given that, with the plurality of shaft portions and the plurality of gears linked to the drive source and the rotated components, the load acting on a single of the shaft portions among the plurality of shaft portions is F (N), the diameter of the single of the shaft portions is D (mm), and the length of axial contact between the single of the shaft portions and the gear mounted thereon is L (mm).